Editing S-expression (section)

{{Short description|Data serialization format}}
[[File:Corrected_S-expression_tree_2.svg|thumb|[[Tree (data structure)|Tree]] data structure representing the S-expression <code>(* 2 (+ 3 4))</code> ]]

In [[computer programming]], an '''S-expression''' (or '''symbolic expression''', abbreviated as '''sexpr''' or '''sexp''') is an expression in a like-named notation for nested [[List (computing)|list]] ([[Tree (data structure)|tree]]-structured) data. S-expressions were invented for, and popularized by, the programming language [[Lisp (programming language)|Lisp]], which uses them for [[source code]] as well as data.